Certificate-based authentication with YubiKeys on iOS and Android

YubiKey is the sole external device supporting Azure AD Certificate-based authentication (CBA) on Android and iOS.

Security key: protect your online accounts by dual factor authentication with the Yubico YubiKey 5C security key the most powerful USB security key in

Yubico YubiKey 5C - Two Factor Authentication USB Security Key, Fits USB-C Ports - Protect Your Online Accounts with More Than a Password, FIDO

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Microsoft Commercially Releases Azure Active Directory Certificate-Based Authentication for Mobile Devices

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Security key: protect your online accounts by dual factor authentication with the Yubico YubiKey 5C security key the most powerful USB security key in

Yubico YubiKey 5C - Two Factor Authentication USB Security Key, Fits USB-C Ports - Protect Your Online Accounts with More Than a Password, FIDO

Stina Ehrensvard on LinkedIn: The Strongest Protection for Your Online Accounts? This Little Key

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How to Authenticate Using Yubikey Smart Card in Parallels RAS

Yubico's new security keys are available in even more form factors

YubiKey hands-on: Hardware-based 2FA is more secure, but watch out for these gotchas

Certificate-Based Authentication (CBA) on mobile using a YubiKey, by Jonas Markström

Certificate-Based Authentication (CBA) on mobile using a YubiKey, by Jonas Markström

Microsoft MFA, YubiKeys

Yubico Authenticator with Smart Cards on iOS — Yubico Authenticator User Guide documentation